package com.cet.designapplication.composite;

/**
 * @author NSOC
 */
public abstract class AbstractProductItem {

    protected void addProductItem(AbstractProductItem item) {
        throw new UnsupportedOperationException("not support child add");
    }

    protected void delProductChild(AbstractProductItem item) {
        throw new UnsupportedOperationException("not support child remove");
    }
}
